2023 Specialized Allez Sport vs 2025 Pinarello X9 Shimano Dura Ace
The 450 is the Pinarello X9 Shimano Dura Ace size closest to your 49 Specialized Allez Sport. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Pinarello X9 Shimano Dura Ace
Compared with the Specialized Allez Sport in 49, the Pinarello X9 Shimano Dura Ace in 450 places the top of the head tube 3 mm higher and 7 mm further back, relative to the bottom bracket.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- +2 mm
- About the same
The two frames
Only the Specialized Allez Sport is drawn. The Pinarello X9 Shimano Dura Ace numbers we have for size 450 are missing the wheelbase.
Geometry side by side
| Measurement | Specialized Allez Sport 49 | Pinarello X9 Shimano Dura Ace 450 | Difference |
|---|---|---|---|
| Reach | 359 | 352.1 | −7 mm |
| Stack | 536 | 539.2 | +3 mm |
| Head tube angle | 70.5° | 70.5 | ±0.0° |
| Seat tube angle | 75.25° | 74.5 | −0.8° |
| Chainstay length | 420mm | 422 | +2 mm |
| Wheelbase | 984mm | not listed | |
| BB drop | 77mm | 72 | −5 mm |
| BB height | 273mm | not listed | |
| Standover | 739mm | not listed | |
| Seat tube length | 460mm | 450 | −10 mm |
| Fork length | 378mm | not listed | |
| Head tube length | 125mm | 128 | +3 mm |
Differences are the Pinarello X9 Shimano Dura Ace minus the Specialized Allez Sport. Full charts: 2023 Specialized Allez Sport, 2025 Pinarello X9 Shimano Dura Ace.
Where each sits in its class
Specialized Allez SportPinarello X9 Shimano Dura Ace
Each bike is ranked against the other road bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Specialized Allez SportSport | Pinarello X9 Shimano Dura AceShimano Dura Ace Di2 |
|---|---|---|
| Frame | Specialized Allez E5 | Pinarello X9 |
| Fork | Specialized FACT | not listed |
| Shifter | Shimano Tiagra | Shimano Dura-Ace R9200 |
| Derailleur | Shimano Tiagra | Shimano Dura-Ace R9200 |
| Chain | KMC X10 | Shimano CN-HG |
| Crankset | Praxis Alba | Shimano Dura-Ace |
| Chainring | Praxis Alba | not listed |
| Wheelset | Specialized Axis Sport | MOST Ultrafast 40 |
| Tire | Specialized Roadsport | Pirelli P ZERO Race TLR |
| Brake | Shimano Tiagra | Shimano Dura-Ace R9200, Shimano Dura-Ace R9100 |
| Handlebar | Specialized Shallow Drop | MOST Talon Ultra Light |
| Saddle | Specialized Bridge Saddle | not listed |
| Bottom bracket | not listed | Shimano SM-BB9200 Dura Ace |
| Bar tape | not listed | MOST Bar Tape |
| Seatpost | not listed | Pinarello Aero Seatpost |
| Bottle cage | not listed | Trap PACF |
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